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1 % Created 2010-10-11 Mon 00:34 |
2 %Tutorial slides on Python. |
2 \documentclass[presentation]{beamer} |
3 % |
3 \usepackage[latin1]{inputenc} |
4 % Author: FOSSEE |
4 \usepackage[T1]{fontenc} |
5 % Copyright (c) 2009, FOSSEE, IIT Bombay |
5 \usepackage{fixltx2e} |
6 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
6 \usepackage{graphicx} |
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7 \usepackage{longtable} |
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8 \usepackage{float} |
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9 \usepackage{wrapfig} |
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10 \usepackage{soul} |
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11 \usepackage{textcomp} |
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12 \usepackage{marvosym} |
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13 \usepackage{wasysym} |
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14 \usepackage{latexsym} |
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15 \usepackage{amssymb} |
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16 \usepackage{hyperref} |
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17 \tolerance=1000 |
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18 \usepackage[english]{babel} \usepackage{ae,aecompl} |
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19 \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet} |
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20 \usepackage{listings} |
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21 \lstset{language=Python, basicstyle=\ttfamily\bfseries, |
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22 commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen}, |
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23 showstringspaces=false, keywordstyle=\color{blue}\bfseries} |
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24 \providecommand{\alert}[1]{\textbf{#1}} |
7 |
25 |
8 \documentclass[14pt,compress]{beamer} |
26 \title{Advanced features of functions} |
9 %\documentclass[draft]{beamer} |
27 \author{FOSSEE} |
10 %\documentclass[compress,handout]{beamer} |
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11 %\usepackage{pgfpages} |
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12 %\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm] |
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13 |
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14 % Modified from: generic-ornate-15min-45min.de.tex |
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15 \mode<presentation> |
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16 { |
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17 \usetheme{Warsaw} |
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18 \useoutertheme{infolines} |
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19 \setbeamercovered{transparent} |
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20 } |
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21 |
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22 \usepackage[english]{babel} |
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23 \usepackage[latin1]{inputenc} |
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24 %\usepackage{times} |
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25 \usepackage[T1]{fontenc} |
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26 |
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27 \usepackage{ae,aecompl} |
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28 \usepackage{mathpazo,courier,euler} |
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29 \usepackage[scaled=.95]{helvet} |
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30 |
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31 \definecolor{darkgreen}{rgb}{0,0.5,0} |
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32 |
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33 \usepackage{listings} |
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34 \lstset{language=Python, |
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35 basicstyle=\ttfamily\bfseries, |
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36 commentstyle=\color{red}\itshape, |
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37 stringstyle=\color{darkgreen}, |
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38 showstringspaces=false, |
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39 keywordstyle=\color{blue}\bfseries} |
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40 |
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41 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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42 % Macros |
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43 \setbeamercolor{emphbar}{bg=blue!20, fg=black} |
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44 \newcommand{\emphbar}[1] |
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45 {\begin{beamercolorbox}[rounded=true]{emphbar} |
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46 {#1} |
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47 \end{beamercolorbox} |
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48 } |
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49 \newcounter{time} |
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50 \setcounter{time}{0} |
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51 \newcommand{\inctime}[1]{\addtocounter{time}{#1}{\tiny \thetime\ m}} |
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52 |
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53 \newcommand{\typ}[1]{\lstinline{#1}} |
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54 |
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55 \newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}} } |
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56 |
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57 % Title page |
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58 \title{Your Title Here} |
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59 |
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60 \author[FOSSEE] {FOSSEE} |
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61 |
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62 \institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay} |
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63 \date{} |
28 \date{} |
64 |
29 |
65 % DOCUMENT STARTS |
30 \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} |
66 \begin{document} |
31 \begin{document} |
67 |
32 |
68 \begin{frame} |
33 \maketitle |
69 \maketitle |
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70 \end{frame} |
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71 |
34 |
72 \begin{frame}[fragile] |
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73 \frametitle{Outline} |
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74 \begin{itemize} |
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75 \item |
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76 \end{itemize} |
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77 \end{frame} |
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78 |
35 |
79 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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80 %% All other slides here. %% |
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81 %% The same slides will be used in a classroom setting. %% |
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82 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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83 |
36 |
84 \begin{frame}[fragile] |
37 |
85 \frametitle{Summary} |
38 |
86 \begin{itemize} |
39 |
87 \item |
40 |
88 \end{itemize} |
41 |
89 \end{frame} |
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90 |
42 |
91 \begin{frame} |
43 \begin{frame} |
92 \frametitle{Thank you!} |
44 \frametitle{Outline} |
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45 \label{sec-1} |
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46 |
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47 \begin{itemize} |
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48 \item Assigning default values to arguments |
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49 \item Calling functions using Keyword arguments |
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50 \item functions in standard library |
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51 \end{itemize} |
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52 \end{frame} |
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53 \begin{frame} |
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54 \frametitle{Question 1} |
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55 \label{sec-2} |
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56 |
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57 Redefine the function \texttt{welcome}, by interchanging it's |
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58 arguments. Place the \texttt{name} argument with it's default value of |
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59 ``World'' before the \texttt{greet} argument. |
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60 \end{frame} |
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61 \begin{frame}[fragile] |
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62 \frametitle{Solution 1} |
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63 \label{sec-3} |
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64 |
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65 \lstset{language=Python} |
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66 \begin{lstlisting} |
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67 def welcome(name="World", greet): |
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68 print greet, name |
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69 \end{lstlisting} |
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70 We get an error that reads \texttt{SyntaxError: non-default argument follows default argument}. When defining a function all the |
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71 argument with default values should come at the end. |
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72 \end{frame} |
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73 \begin{frame} |
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74 \frametitle{Question 2} |
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75 \label{sec-4} |
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76 |
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77 See the definition of linspace using \texttt{?} and observe how all the |
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78 arguments with default values are towards the end. |
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79 \end{frame} |
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80 \begin{frame}[fragile] |
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81 \frametitle{Solution 2} |
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82 \label{sec-5} |
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83 |
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84 \lstset{language=Python} |
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85 \begin{lstlisting} |
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86 linspace? |
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87 \end{lstlisting} |
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88 \end{frame} |
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89 \begin{frame} |
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90 \frametitle{Question 3} |
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91 \label{sec-6} |
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92 |
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93 Redefine the function \texttt{welcome} with a default value of |
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94 ``Hello'' to the \texttt{greet} argument. Then, call the function without any |
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95 arguments. |
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96 \end{frame} |
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97 \begin{frame}[fragile] |
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98 \frametitle{Solution 3} |
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99 \label{sec-7} |
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100 |
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101 \lstset{language=Python} |
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102 \begin{lstlisting} |
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103 def welcome(greet="Hello", name="World"): |
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104 print greet, name |
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105 |
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106 welcome() |
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107 \end{lstlisting} |
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108 \end{frame} |
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109 \begin{frame} |
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110 \frametitle{Summary} |
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111 \label{sec-8} |
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112 |
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113 You should now be able to -- |
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114 \begin{itemize} |
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115 \item define functions with default arguments |
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116 \item call functions using keyword arguments |
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117 \end{itemize} |
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118 \end{frame} |
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119 \begin{frame} |
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120 \frametitle{Thank you!} |
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121 \label{sec-9} |
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122 |
93 \begin{block}{} |
123 \begin{block}{} |
94 \begin{center} |
124 \begin{center} |
95 This spoken tutorial has been produced by the |
125 This spoken tutorial has been produced by the |
96 \textcolor{blue}{FOSSEE} team, which is funded by the |
126 \textcolor{blue}{FOSSEE} team, which is funded by the |
97 \end{center} |
127 \end{center} |